[CASSANDRA-6462] cleanup ClassCastException

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.0.4
• Component/s: Legacy/Tools
• Labels: cleanup compaction

Environment

Windows 7 / Java 1.7.0.25

• Severity: Normal
• Since Version: 2.0.1
• Assignee: Jonathan Ellis
• Reporter: Andreas Schnitzerling

Authors

Jonathan Ellis

• Created: 09/Dec/13 12:24
• Updated: 16/Apr/19 09:31
• Resolved: 10/Dec/13 04:35

Description

I enlarged the cluseter from 4 to 8 nodes. During cleaning up the "old" nodes with "nodetool cleanup" it breaks up with exception. I started cleanup from a different computer to manage them sequentially.

cmd.exe

Error occurred during cleanup
java.util.concurrent.ExecutionException: java.lang.ClassCastException: org.apach
e.cassandra.io.sstable.SSTableReader$EmptyCompactionScanner cannot be cast to or
g.apache.cassandra.io.sstable.SSTableScanner
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at org.apache.cassandra.db.compaction.CompactionManager.performAllSSTabl
eOperation(CompactionManager.java:227)
at org.apache.cassandra.db.compaction.CompactionManager.performCleanup(C
ompactionManager.java:265)
at org.apache.cassandra.db.ColumnFamilyStore.forceCleanup(ColumnFamilySt
ore.java:1054)
at org.apache.cassandra.service.StorageService.forceKeyspaceCleanup(Stor
ageService.java:2038)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.reflect.misc.Trampoline.invoke(Unknown Source)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.reflect.misc.MethodUtil.invoke(Unknown Source)
at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown So
urce)
at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown So
urce)
at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(Unknown Source)
at com.sun.jmx.mbeanserver.PerInterface.invoke(Unknown Source)
at com.sun.jmx.mbeanserver.MBeanSupport.invoke(Unknown Source)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown
Source)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(Unknown Sou
rce)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(Unknown Sour
ce)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run
(Unknown Source)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(U
nknown Source)
at javax.management.remote.rmi.RMIConnectionImpl.invoke(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
at sun.rmi.transport.Transport$1.run(Unknown Source)
at sun.rmi.transport.Transport$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Sou
rce)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Sour
ce)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassCastException: org.apache.cassandra.io.sstable.SSTable
Reader$EmptyCompactionScanner cannot be cast to org.apache.cassandra.io.sstable.
SSTableScanner
at org.apache.cassandra.db.compaction.CompactionManager.doCleanupCompact
ion(CompactionManager.java:563)
at org.apache.cassandra.db.compaction.CompactionManager.access$400(Compa
ctionManager.java:62)
at org.apache.cassandra.db.compaction.CompactionManager$5.perform(Compac
tionManager.java:274)
at org.apache.cassandra.db.compaction.CompactionManager$2.call(Compactio
nManager.java:222)
at java.util.concurrent.FutureTask.run(Unknown Source)
... 3 more